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1.) How many permutations can be formed from all of the letters of the word HOUSTON?
1.) How many permutations can be formed from all of the letters of the word HOUSTON?
2.) A fair coin is flipped 10 times and the sequence of heads and tails is noted. In how many outcomes are there at least 2 tails?
3.) A coin is tossed 24 times. In how many outcomes do exactly 18 heads occur? In how many outcomes are at least 4 tails occur?
4.) An electronics store receives a shipment of 35 graphing calculators including 7 that are defective. Eight calculators are chosen at random to be sent to a local high school. How many total selections can be made? How many selections contain 3 defective?
5.) If seven cards are chosen from a well-shuffled deck of 52 playing cards. In how many selections do 2 diamonds occur?
